- Alabama Reef Addicts
- Appalachian Reef Society
- Aquarium and Coral Reef Organization of Sarasota (Acros)
- North Carolina Marine Aquarium Society
- Carolina Coast Reef Keepers
- Chattanooga, TN Reefers
- East Tennessee Reef Club
- Emerald Coast Reefers
- Florida Marine Aquarium Society (FMAS) - Miami/Ft. Lauderdale
- Florida Reef Aquarium Group (FRAG)
- Jackson Area Reef Club (JARC)
- JRAM-Jax Reef and Marine Club
- Louisville Marine Aquarium Society
- Marion Ocala Reef Enthusiasts (MORE)
- Memphis Area Reef Society (MARS)
- Middle Tennessee Reef Club (MTRC)
- Mid South Reef Society
- Mobile Bay Reef Keepers
- Mountain State Marine & Reef Society (MSMRS.ORG)
- Nashville Area Reefers
- North Florida Marine Society
- North Tennessee Reef Club
- Northeast Florida Marine Aquarium Society (NFMAS)
- Northeast Kentucky Reef Association
- Northwest Arkansas - "In 2 Deep" Reef Club
- Orlando Reef Caretakers Association (ORCA)
- Palm Beach Marine Aquarium Society (PBMAS)
- Reef Keepers of Myrtle Beach
- South Florida Reef/Saltwater Aquaria (SFRA)
- Southwest florida marine aquarium society (SWFMAS)
- Southwest Virginia Reef Club
- SPRING HILL AREA REEF KEEPERS (SHARK)
- Tampa Bay Reef Club
- TC.ARK = Treasure Coast Area Reef Keepers
- Tennessee Reefers
- Treasure Coast- Florida Reef Aquarium Group (TC-FRAG)
- Upstate Reefers (Greenville/Spartanburg/ Anderson)
- West Tennessee Marine & Reef Aquarium Club